<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>emmet语法使用-css</title>
    <style>
        .one {
            text-align: center;
            /* tac */
            /* text-align: center; */
            /* ti2em */
            text-indent: 2em;
            /* w100 */
            width: 100px;
            /* h200 */
            height: 200px;
            /* lh26px */
            line-height: 26px;
            /* tdn */
            /* text-decoration: none; */
        }
    </style>
</head>
<body>
    
</body>
</html>